Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Pioneer/24CountryDances_1793_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3396-24CountryDances_1793_Preston.ps) >>/Users/jc/w/tmp/Tune-3396-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Pioneer/24CountryDances_1793_Preston.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_33964.log 149963 Log file, useful mostly for debugging
Coll_33968.log 384212 Log file, useful mostly for debugging
Coll_33969.log 277811 Log file, useful mostly for debugging
Tune-3396-24CountryDances_1793_Preston.abc 168 ABC music file with the extracted tune(s)
Tune-3396-24CountryDances_1793_Preston.ps 6 PostScript
Tune-3396-24CountryDances_1793_Preston.txt 168 Plain-text file with the extracted tune(s)
Tune-3396-get.log 10876 Log file, useful mostly for debugging
Tune-33960-get.log 3392 Log file, useful mostly for debugging
Tune-33963-get.log 4344 Log file, useful mostly for debugging
Tune-33966-get.log 4010 Log file, useful mostly for debugging
Tune-33967-get.log 9552 Log file, useful mostly for debugging
Tune-33969-get.log 4402 Log file, useful mostly for debugging
These files should be available for 24 hours.